Emilie Berthiaume wrote: > Hi, > > I'm a SAS user trying to convert myself to R but I still have problems with > some pretty simple commands. > > First I wanted to add up a number of red-tailed hawks seen per day (julian > day) per year. So I tried: > > RTyrday <- tapply(RThr,list(year,julian),sum) > > And then I tried the following regression: > > mod1 <- glm(RTyrday~julian+year, family=gaussian (link=identity),data=RT) > > Wich didn't work since my vector RTyrday and julian don't have the same > length. My question is: How can I create a new data sheet with the output of > my function "tapply" ? Something I could have done in SAS by giving an > "output out" to my "proc summary" > > Thank you, > > Emilie
One of many ways is at http://biostat.mc.vanderbilt.edu/SasByMeansExample (especially for SAS users). The example uses the R Hmisc package. Frank > > > > Emilie Berthiaume > Graduate Student > Biology Department > Sherbooke University > Sherbrooke, Québec > CANADA > > [EMAIL PROTECTED] > [[alternative HTML version deleted]] > > > > ------------------------------------------------------------------------ > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html -- Frank E Harrell Jr Professor and Chair School of Medicine Department of Biostatistics Vanderbilt University ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
